Indianapolis Colts assistant Bruce Arians hospitalized

Update: The Indianapolis Star is reporting Arians is "fine" but was held overnight at the University of Maryland Shock Trauma Center for observation as a precaution.

Original report: BALTIMORE - Indianapolis Colts offensive coordinator Bruce Arians has been hospitalized Sunday with an undisclosed illness. Arians is a William Penn High School graduate.

The team said he is doing well in a local hospital, and that Arians would not attend the AFC wild-card game between the Colts and Baltimore Ravens. Other media outlets have reported that Arians has been battling the flu since Thursday.

Arians served as interim coach for 12 games this season, going 9-3, when head coach Chuck Pagano was undergoing chemotherapy treatment for leukemia.